-- card: 66465 from stack: in
-- bmap block id: 0
-- flags: 4000
-- background id: 4601
-- name: #233
----- HyperTalk script -----
on openCard
  global group,rightone
  put 20 into group
  put "C" into rightone
  pass openCard
end openCard



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Question #233

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T7A04  What circuit is  found in all types of receivers?





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A detector

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An RF amplifier

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An audio filter


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A beat-frequency oscillator

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Correct answer is C